Truck sizes aren't always as advertised, and what seems the largest, isn't always the case. Please refer to post below for actual size comparisons for the U-Haul, Budget, and Penske trucks who are sitting as the largest among their fleet.

As Advertised: 26 ft U-Haul

22' L x 7'7" W x 7'1" T

166.83 square feet of floor

As Advertised: 24 ft Budget

23' 10" L x 8" W x 8" T

190.66 square feet of floor

As Advertised: 26 ft Penske

25'11" L x 8'1" W x 8'1" T

209.49 square feet of floor

*Note the actual square feet of floor space. The less floor space, the less room there is to make an appropriate stack. Lesser stacks means taller stacks.

Here are a few other things to consider:

U-Haul trucks typically have the wheel wells on the floor space. This also takes up a lot of unnecessary space.

U-Haul rentals have other equipment attached to the wall. This takes up space.

U-Haul trucks do have a "Mom's Attic" that we did not include in the measurements as it is only suitable for small/light items.

Penske trucks are rarely more than 2-3 years old, and over 150,000 miles. Their box sizes may differ slightly as they are constantly improving their design.

Although UHAUL advertises a 26 ft truck, in reality you are only getting 22 ft of actual stacking space. In turn the mom's attic gives the illusion of your ideal 26 ft truck.